// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_VIEWS_EXAMPLES_EXAMPLE_BASE_H_
#define UI_VIEWS_EXAMPLES_EXAMPLE_BASE_H_

#include <string>

#include "base/macros.h"
#include "ui/views/examples/views_examples_export.h"

namespace views {
class View;

namespace examples {

    class VIEWS_EXAMPLES_EXPORT ExampleBase {
    public:
        virtual ~ExampleBase();

        // Sub-classes should creates and add the views to the given parent.
        virtual void CreateExampleView(View* parent) = 0;

        const std::string& example_title() const { return example_title_; }
        View* example_view() { return container_; }

    protected:
        explicit ExampleBase(const char* title);

        View* container() { return container_; }

        // Prints a message in the status area, at the bottom of the window.
        void PrintStatus(const char* format, ...);

        // Converts an boolean value to "on" or "off".
        const char* BoolToOnOff(bool value)
        {
            return value ? "on" : "off";
        }

    private:
        // Name of the example - used as title in the combobox list.
        std::string example_title_;

        // The view that contains the views example.
        View* container_;

        DISALLOW_COPY_AND_ASSIGN(ExampleBase);
    };

} // namespace examples
} // namespace views

#endif // UI_VIEWS_EXAMPLES_EXAMPLE_BASE_H_
